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Rev. bras. cir. cardiovasc ; 26(4): 573-581, out.-dez. 2011. ilus
Article in English | LILACS | ID: lil-614749

ABSTRACT

OBJECTIVE: D-dimer and C-reactive protein are of diagnostic and predictive values in patients have thrombotic tendency, such as vascular thrombosis, coronary artery disease and aortic dissection. However, the comparative study in these biomarkers between the patients with acute aortic dissection and coronary artery disease has not been sufficiently elucidated. METHODS: Consecutive surgical patients for acute type A aortic dissection (20 patients), aortic aneurysm (nine patients) or coronary artery disease (20 patients) were selected into this study. Plasma from preoperative blood samples and supernatant of aortic homogenate of the surgical specimens were detected for D-dimer and hypersensitive C-reactive protein (hs-CRP). RESULTS: Plasma D-dimer and hs-CRP values in type A aortic dissection or aortic aneurysm were much higher than in coronary artery disease patients or the healthy control (for D-dimer, aortic dissection: coronary artery disease, 0.4344 ± 0.2958 µg/ml vs. 0.0512 ± 0.0845 µg/ml, P < 0.0001; aortic dissection: healthy control, 0.4344 ± 0.2958 µg/ml vs. 0.1250 ± 0.1295 µg/ml, P = 0.0005; aortic aneurysm: coronary artery disease, 0.4200 ± 0.4039 µg/ml vs. 0.0512 ± 0.0845 µg/ml, P = 0.0013; and aortic aneurysm: healthy control, 0.4200 ± 0.4039 µg/ml vs. 0.1250 ± 0.1295 µg/ml, P = 0.0068; and for hs-CRP, aortic dissection: coronary artery disease, 4.400± 3.004 mg/L vs. 1.232±0.601 mg/L, P < 0.0001; aortic dissection:healthy control, 4.400 ± 3.004 mg/L vs. 0.790 ± 0.423 mg/L, P < 0.0001; aortic aneurysm: coronary artery disease, 2.314 ± 1.399 mg/L vs. 1.232 ± 0.601 mg/L, P = 0.0084; aortic aneurysm: healthy control, 2.314 ± 1.399 mg/L vs. 0.790 ± 0.423 mg/L, P = 0.0002; and coronary artery disease: healthy control, 1.232 ± 0.601 mg/L vs. 0.790 ± 0.423 mg/L, P = 0.0113). Besides, there were close correlations between plasma D-dimer and hs-CRP in overall (Y = 4.8798X + 0.8138, r² = 0.4497, r = 0.671, P < 0.001), aortic dissection ...


OBJETIVO: D-dímero e proteína C reativa são de valores de diagnóstico e preditivo em pacientes com tendência trombótica, como a trombose vascular, doença arterial coronária e dissecção aórtica. No entanto, o estudo comparativo desses biomarcadores entre os pacientes com dissecção aguda da aorta e doença arterial coronariana não foi suficientemente esclarecido. MÉTODOS: Pacientes cirúrgicos consecutivos foram selecionados para este estudo por tipo de dissecção aguda aórtica (20 pacientes), aneurisma da aorta (9 pacientes) ou doença arterial coronária (20 pacientes). O plasma a partir de amostras de sangue no pré-operatório e sobrenadante de homogenato de aorta dos espécimes cirúrgicos foi detectado para o D-dímero e proteína C reativa hipersensível. RESULTADOS: Os valores do plasma de D-dímero e proteína-C reativa em dissecção aórtica tipo A ou aneurisma da aorta foram muito superiores em pacientes com doença arterial coronariana ou de controles saudáveis (pelo D-dímero, dissecção aórtica: doença arterial coronariana, 0,4344 ± 0,2958 µg/ml vs 0,0512 ± 0,0845 µg/ml, P <0,0001; dissecção aórtica: controle saudável, 0,4344 ± 0,2958 µg/ml vs 0,1250 ± 0,1295 µg/ml, P = 0,0005; aneurisma da aorta: doença arterial coronariana, 0,4200 ± 0,4039 µg/ml vs 0,0512 ± 0,0845 µg/ml, P = 0,0013; e aneurisma de aorta: controle saudável, 0,4200 ± 0,4039 µg/ml vs. 0,1250 ± 0,1295 µg/ml, P = 0,0068 e para a hs-CRP, dissecção aórtica: doença arterial coronariana, 4,400 ± 3,004 mg/L vs. 1,232 ± 0,601 mg/L, P <0,0001; dissecção aórtica: grupo controle saudável, 4,400 ± 3,004 mg/L vs 0,790 ± 0,423 mg/L, P <0,0001; aneurisma da aorta: doença arterial coronariana, 2,314 ± 1,399 mg/L vs. 1,232 ± 0,601 mg/L, P = 0,0084; aneurisma da aorta: grupo controle saudável, 2,314 ± 1,399 mg/L vs. 0,790 ± 0,423 mg/L, P = 0,0002; e doença arterial coronariana: grupo controle saudável, 1,232 ± 0,601 mg/L versus 0,790 ± 0,423 mg/L, P = 0,0113). Além disso, houve correlações próximas ...


Subject(s)
Humans , Aortic Dissection/blood , Aortic Aneurysm/blood , Blood Coagulation Disorders/diagnosis , C-Reactive Protein/analysis , Coronary Artery Disease/blood , Fibrin Fibrinogen Degradation Products/analysis , Aortic Dissection/diagnosis , Aortic Aneurysm/diagnosis , Biomarkers/blood , Case-Control Studies , Diagnosis, Differential , Myocardial Ischemia/diagnosis
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